4 years ago

The cost split among 4 people

Mathematics

1 answer:

vlada-n [284]4 years ago

3 0

Answer:1 dollar each

Step-by-step explanation:

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For this case we substitute the point in each of the equations and verify if the equality is met:

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What is the x value with that y =15 -3x and y =0?

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$\bf y=15-3x~\hspace{5em} \stackrel{y=0}{0=15-3x}\implies 3x=15\implies x=\cfrac{15}{3}\implies x = 5$

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————————
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~~~~~~~~~~~~~~~~
Check

6(2) - 5 = 3(2) + 1
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✔️
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